fix(controller): 修复关联服务企业下拉查询一级cso问题

hnqz-upms/hnqz-upms-biz/src/main/java/com/qunzhixinxi/hnqz/admin/controller/WmDaAgentController.java

@@ -807,12 +807,16 @@ public class WmDaAgentController {
 		} else if (byId.getLevel() == 3) {
 //			WmDaAgent anId = wmDaAgentService.selectByDeptId(byId.getDeptId());
 			List<WmRelation> wmRelation = wmRelationMapper.selectByUpId(byId.getDeptId());
-			//获取上级药企和cso自己
-			for (WmRelation wmRelation1 : wmRelation) {
-				wmDaDrugEnts = wmDaDrugEntService.selectEntNameByByDeptIds(wmRelation1.getDownId());
+			if (CollectionUtil.isEmpty(wmRelation)) {
+				// 如果为空，则直接返回当前自己的
+				wmDaDrugEnts = wmDaDrugEntService.selectEntNameByByDeptIds(byId.getDeptId());
+			} else {
+				//获取上级药企和cso自己
+				for (WmRelation wmRelation1 : wmRelation) {
+					wmDaDrugEnts = wmDaDrugEntService.selectEntNameByByDeptIds(wmRelation1.getDownId());
 //				wmDaDrugEnts = wmDaDrugEntService.selectEntNameByDeptId(byId.getDeptId());
+				}
 			}
-
 		}
 		return R.ok(wmDaDrugEnts);
 	}